WO2024052272A1 - Dispositif de commande de position et procédé de fabrication d'un dispositif de commande de position - Google Patents

Dispositif de commande de position et procédé de fabrication d'un dispositif de commande de position Download PDF

Info

Publication number
WO2024052272A1
WO2024052272A1 PCT/EP2023/074156 EP2023074156W WO2024052272A1 WO 2024052272 A1 WO2024052272 A1 WO 2024052272A1 EP 2023074156 W EP2023074156 W EP 2023074156W WO 2024052272 A1 WO2024052272 A1 WO 2024052272A1
Authority
WO
WIPO (PCT)
Prior art keywords
pneumatic
circuit board
support body
housing
compartment
Prior art date
Application number
PCT/EP2023/074156
Other languages
German (de)
English (en)
Inventor
Christof Weigand
Matthias Grasz
Nikolai SCHULZ
Original Assignee
Samson Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Samson Aktiengesellschaft filed Critical Samson Aktiengesellschaft
Publication of WO2024052272A1 publication Critical patent/WO2024052272A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B5/00—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities
    • F15B5/006—Transducers converting variations of physical quantities, e.g. expressed by variations in positions of members, into fluid-pressure variations or vice versa; Varying fluid pressure as a function of variations of a plurality of fluid pressures or variations of other quantities with electrical means, e.g. electropneumatic transducer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50554—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure downstream of the pressure control means, e.g. pressure reducing valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6306—Electronic controllers using input signals representing a pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/63—Electronic controllers
    • F15B2211/6303—Electronic controllers using input signals
    • F15B2211/6343—Electronic controllers using input signals representing a temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/885—Control specific to the type of fluid, e.g. specific to magnetorheological fluid
    • F15B2211/8855—Compressible fluids, e.g. specific to pneumatics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B3/00—Intensifiers or fluid-pressure converters, e.g. pressure exchangers; Conveying pressure from one fluid system to another, without contact between the fluids

Definitions

  • the invention relates to a positioner for a pneumatic actuator for actuating an actuating valve, such as a control valve, a process plant, such as a chemical plant, in particular a petrochemical plant, a power plant, a brewery or the like.
  • a positioner for a pneumatic actuator for actuating an actuating valve, such as a control valve, a process plant, such as a chemical plant, in particular a petrochemical plant, a power plant, a brewery or the like.
  • the invention also relates to a method for producing such a positioner.
  • EP o 587 170 Bi describes an electro-pneumatic signal converter that is designed to be modular and explosion-proof.
  • a current-to-pressure transducer is arranged in a hollow housing section which has a pneumatic supply port and a pneumatic output for controlling an actuator.
  • the housing also includes a box section with electrical contacts housed therein. Electrical, pneumatic and electro-pneumatic components are housed in the housing.
  • the housing has an electronics housing module for the electrical components and a pressure housing module that can be screwed into it for the pneumatic and electro-pneumatic components.
  • the electronics housing module is separated from the pressure housing module by a module wall through which conductors are guided in an explosion-proof manner for contacting the electro-pneumatic components.
  • a pressure sensor is also arranged in the electronics housing module. The joint arrangement of the current-pressure converter and pneumatic components, all of which generate exhaust air, in the same chamber makes precise monitoring and control difficult.
  • an explosive and/or flammable gas for example natural gas
  • a pneumatic medium there is also a requirement that leakage of the flammable gas from the positioner is not permitted.
  • the flammable pneumatic medium must be removed through a collecting line.
  • Such flammable gases can also be corrosive and damage electronic components. It is also conceivable that electrical currents can cause inflammation.
  • circuit boards are provided for the various electronic components, which are arranged at a distance from the current-pressure converter and are individually encapsulated in different rooms. This results in a high space requirement. It also requires a large number of bushings with a correspondingly high manufacturing and assembly effort and risk of leakage.
  • a critical pneumatic medium such as a corrosive, contaminated one , explosive and/or flammable pneumatic medium.
  • a positioner for actuating an actuating valve such as a control valve, a process plant, in particular a petrochemical plant, a power plant, a food processing plant, in particular a brewery, or the like.
  • the positioner includes an electro-pneumatic transducer, a circuit board and a housing.
  • the electro-pneumatic converter can be implemented as a current-pressure converter.
  • An electro-pneumatic converter realizes an electro-pneumatic component of a positioner.
  • An electro-pneumatic converter is preferably designed and set up to adjust a converter pressure depending on an electrical signal.
  • An electro-pneumatic converter is preferably designed for this purpose and set up, the converter pressure starting from, on the one hand, a pneumatic source, which provides a pressurized pneumatic medium, such as room air, nitrogen, or the like, at a supply pressure, and, on the other hand, a pneumatic sink, such as the atmosphere, which defines a reference pressure, for example corresponding to the ambient pressure , to set.
  • an electro-pneumatic converter is set up to adjust the converter pressure taking into account an, in particular analog or digital, electrical signal, such as a current signal or a voltage signal.
  • the electro-pneumatic converter can be implemented as a current-pressure converter and in particular can set the converter pressure proportionally or at least essentially proportionally to a current signal.
  • the electro-pneumatic converter is preferably designed and set up to provide the converter pressure for at least one other pneumatic component, such as a pneumatic amplifier, at an effective input or effective output.
  • a pneumatic component preferably refers to a purely pneumatic or mechanical-pneumatic component, in particular free of electronics.
  • the at least one electronic component, the at least one electro-pneumatic converter and/or the possible at least one pneumatic sensor can be operated in an intrinsically safe manner.
  • the circuit board includes supply electronics for the electro-pneumatic converter.
  • the circuit board can include control and/or regulation electronics for actuating the electro-pneumatic converter.
  • the control and/or regulation electronics for the electro-pneumatic converter is divided into several electronic components, in particular circuit boards of the positioner, preferably comprising the circuit board.
  • the term circuit board can generally be used to refer to a preferably flat component made of an electrically insulating material, such as a preferably fiber-reinforced plastic material, a ceramic material, hard paper or the like, to which electrical and/or electronic components are attached.
  • Circuit boards can commonly be designed as so-called circuit boards.
  • the circuit board has conductor tracks on at least one surface, preferably on two mutually opposite surfaces.
  • the conductor tracks are preferably firmly attached, for example printed, to the at least one surface of the circuit board or soldered on.
  • the circuit board can be equipped with bushings in order to electrically connect conductor tracks on a first surface, for example the top, with conductor tracks on a second surface, for example the bottom.
  • Electrical and/or electronic components such as microchips, microprocessors, resistors, capacitances, diodes, contacts, plug-in connections or the like, can be attached to at least one surface of the circuit board, preferably with electrical contacting of conductor tracks, for example glued, clamped, screwed and/or soldered, be.
  • a printed circuit board generally has a flat shape, and the surface outline can preferably be designed to be adapted to the housing accommodating the printed circuit board, for example semicircular.
  • the circuit board preferably has a width dimension and a length dimension that are essentially the same order of magnitude or whose dimensions do not differ from each other by more than a hundred times, in particular not more than a tenfold.
  • the circuit board has a thickness dimension that is significantly smaller than the width dimension and the length dimension of the circuit board, the dimension being, for example, at least ten times smaller, in particular at least a hundred times smaller. Bushings or similar extend through the circuit board in the thickness dimension.
  • the housing surrounds an interior space.
  • the housing consists of at least two shell parts that are detachably connected to one another, through which the interior space is completely delimited.
  • the shell parts forming the housing can be realized, for example, as a cup-shaped base body with at least one opening and a detachable cover which completely closes the opening in an operational assembly state.
  • the housing can be designed and set up to accommodate electrical, electronic, electro-pneumatic, pneumatic and other components, preferably in a dust- and/or water-protected manner.
  • the housing is preferably designed such that the interior is designed as a pressure-encapsulated space.
  • the housing can, for example, be designed according to protection class IP65 or better.
  • a housing for dust- and/or water-protected accommodation of electrical components can, for example, be defined according to a protection type of the so-called International Protection Code (IP Code). Protection types can describe the degree of protection of the housing against contact, foreign objects, water and the like. IP codes can, for example, be defined in accordance with IEC 529, EN 60529, DIN VDE 0470-1 in the 2014 version. The first digit of the IP code denotes protection against foreign objects and contact, with a higher value providing more protection certainly. The first digit can have the following meaning: 3: protected against solid foreign bodies larger than 2.5 mm and against contact with tools; 4: protected against solid foreign bodies larger than 1 mm and against contact with wire; 5: protected against dust and contact; 6: Sealed against dust, protected against contact.
  • IP Code International Protection Code
  • the second digit of the IP code concerns protection against water.
  • the second number can have the following meaning: 3: protected against spray water; 4: protected against splash water; 5: protected against jets of water; 6: protected against strong jets of water or heavy seas; 7: protected against temporary submersion; 8: protected against permanent submersion.
  • the housing can, for example, correspond to protection class at least IP 65, at least IP 66, at least IP 67, at least IP 68 or at least IP 69.
  • the positioner comprises a support body inserted into the interior.
  • the circuit board is attached to the support body.
  • the support body can in particular be plate-shaped, such a support body being referred to as a support plate.
  • Plate-shaped can refer to a body that is relatively flat in relation to the volume of the housing.
  • the carrier plate can, for example, have a plate width and a plate length that are significantly larger than the plate height.
  • the plate length and/or the plate width is or are at least 5 times, preferably at least 10 times, as large as the plate height.
  • Plate width, plate height and plate length can generally refer to dimensions of the carrier plate that are oriented transversely, in particular vertically, relative to one another.
  • the plate length can be greater than the plate width.
  • the plate length can, for example, be in the range from 1 to 8 times, to 5 times or to 2 times as large as the plate width.
  • the support plate can, for example, be circular or ring-shaped, whereby the circle or ring diameter can correspond to the plate width and length.
  • the housing and the support body are coordinated with one another for the particular pneumatic division of the interior into an electronics compartment and a converter compartment.
  • the electronics compartment is designed to accommodate at least one electrical and/or electronic component.
  • the electronics compartment is designed to accommodate the supply electronics, and/or alternatively or additionally, the electronics compartment can be designed to accommodate control and/or regulation electronics, or the like.
  • the transducer compartment is designed to accommodate the electro-pneumatic transducer.
  • the support body can implement a wall part that can be inserted into the interior in order to divide the interior into an electronics compartment on the one hand and on the other To divide the transducer compartment.
  • the support body preferably together with the circuit board, forms a room divider for the interior.
  • the support body can be shape-matched to a contour, in particular an inner circumferential contour, in the interior of the housing. It may be preferred that the support body is adapted to the shape of the interior at least in sections. For example, the width and/or length of the support body can be tailored to a clear width of the interior.
  • the support body and the housing, in particular the interior can, for example, have a cross section that is at least partially complementary. When the positioner is in an operationally installed state, the support body spatially and/or pneumatically separates the electronics compartment from the transducer compartment.
  • the support body When the positioner is in an operationally installed state, the support body can be used to create a pressure-tight separation of the interior of the housing into, on the one hand, the converter compartment and, on the other hand, the electronics compartment.
  • a pressure-tight area or pressure-tight compartment of the positioner can, for example, be designed and set up to be pressure-tight for an environment with an explosive or flammable atmosphere.
  • different areas in the housing can be separated from one another by means of the supporting body in order to meet the explosion protection requirements "Ex d", i.e. the type of protection of the flameproof enclosure "Ex d".
  • the construction according to the invention makes it possible to realize a particularly simple, inexpensive, compact and reliable positioner.
  • the interior of the housing may preferably be equipped with one or more pneumatic and/or pressure-tight separations to form a pressure-encapsulated space.
  • the transducer compartment preferably forms at least one pressure-encapsulated space.
  • the electronics compartment forms another pressure-encapsulated space.
  • the electro-pneumatic converter is arranged, in particular fastened, on a side of the support body that faces away from the electronics compartment and/or the circuit board. If the electro-pneumatic transducer is attached to the support body, it may be preferred that the electro-pneumatic transducer can be electrically connected to the circuit board, for example by means of a plug or the like.
  • the circuit board has the The surface facing the transducer compartment has a connection point for, preferably releasably, attaching the electro-pneumatic transducer to the circuit board. It may be preferred that the circuit board is arranged on the side of the support body facing the electronics compartment. The connection point can be implemented, for example, by a plug connector, a plug receptacle or the like.
  • the electro-pneumatic converter is arranged, in particular fastened, on a side of the circuit board facing away from the electronics compartment.
  • the transducer compartment comprises at least one receptacle.
  • the recording can also be referred to as a converter recording.
  • the support body delimits a feedthrough which extends from the housing to the circuit board.
  • the receptacle is at least partially delimited by a base, a peripheral wall and/or another housing wall section of the housing.
  • the peripheral wall refers to the part of the housing which laterally delimits the interior space, including any recesses in the floor.
  • the receptacle can be formed, for example, by an indentation in the housing, such as a depression in the floor, or the like.
  • a housing indentation is generally delimited by one or more housing wall sections. It may be preferred that the receptacle is limited on the one hand by the housing and on the other hand by the support body with the printed circuit board held thereon. The support body and the circuit board border the receptacle. The circuit board preferably limits the recording at least partially. Preferably, the electro-pneumatic converter is at least partially, in particular completely, arranged within this receptacle. The feedthrough can form part of a chamber which realizes the recording.
  • the interior of the housing can preferably be divided into a plurality of sub-areas, wherein a first sub-area or a plurality of first sub-areas can be assigned to the converter compartment and a second sub-area or a plurality of second sub-areas can be assigned to the electronics compartment.
  • the different subareas can be implemented by chambers within the housing.
  • a first portion of the interior is realized by the receptacle for the electro-pneumatic converter.
  • a plurality of first partial areas can be separated from one another, in particular pneumatically and/or pressure-tight, for example by housing wall sections.
  • the various sub-areas inside the housing form individually pressure-encapsulated spaces. Individual pressure-encapsulated rooms are pressure-tight in relation to each other.
  • An exchange of pneumatic medium into and/or out of a pressure-encapsulated space is, in the operational state, preferably only possible using a certain number of predetermined pneumatic lines, preferably exactly one pneumatic line, exactly two pneumatic lines or exactly three pneumatic lines.
  • the first pressure-encapsulated space is preferably equipped with exactly two pneumatic lines, namely the ventilation line and an exhaust air duct.
  • the second pressure-encapsulated spaces each preferably only have exactly one pneumatic line.
  • the electronics compartment can realize a further individually pressure-encapsulated space, whereby the electronics compartment can be free of or equipped with exactly one pneumatic line, in particular designed as a ventilation line.
  • the pneumatic compartment can form an additional individually pressure-encapsulated space.
  • the number of pneumatic lines with which the pneumatic compartment is equipped can preferably correspond to the sum of the pneumatic lines of the first and the second pressure-encapsulated space.
  • the converter compartment comprises at least one further receptacle in which at least one pneumatic sensor is arranged.
  • the further recording can also be referred to as a sensor recording.
  • a pneumatic sensor can be, for example, a pressure sensor, a temperature sensor, a humidity sensor, or similar, or a combination of several or all of the sensors mentioned.
  • the transducer compartment can in particular have several receptacles for a large number of pneumatic sensors. It is clear that alternatively or additionally at least one pneumatic sensor can be arranged in the receptacle for the electro-pneumatic converter.
  • the at least one further receptacle is preferably at least partially delimited by a base, a peripheral wall and/or another housing wall section of the housing.
  • the at least one further receptacle can be formed, for example, by an indentation in the housing or the like, which can be framed by the base and a housing wall section.
  • the support body and the circuit board preferably adjoin the further receptacle.
  • the support body delimits a further passage in the area of the further receptacle, which leads, in particular from the housing, to the pneumatic sensor and/or to the circuit board.
  • the further implementation can be arranged on the circuit board, especially attached pneumatic sensor.
  • a further first portion of the interior is realized by the further receptacle for the pneumatic sensor.
  • the positioner in the transducer compartment can include a transducer receptacle and a plurality of sensor receptacles, which are separated from one another in a pneumatic and/or pressure-tight manner. It may be preferred that different measuring points are provided in the positioner, and at least one of the several different pneumatic sensors is assigned to each of the different measuring points.
  • the positioner in the converter compartment comprises several, in particular further, receptacles with different pneumatic sensors arranged therein in order to detect different pressures in the positioner, for example a pressure of the pneumatic medium at an input and/or output of the electro-pneumatic converter, a pressure of the pneumatic medium at one supply input of the positioner connected to a pneumatic source and/or a pressure of the pneumatic medium at a control output of the positioner for actuating a pneumatic actuator.
  • a positioner with at least one pneumatic sensor this is arranged on a surface of the circuit board facing the transducer compartment.
  • the pneumatic sensor is held on the circuit board.
  • the at least one pneumatic sensor is firmly connected to the circuit board, for example soldered.
  • control and/or regulation electronics are arranged on the circuit board, in particular on the top side thereof, which are connected for signal transmission by conductor tracks and/or bushings or the like to the at least one pneumatic sensor, in particular arranged on the underside of the circuit board is.
  • the at least one pneumatic sensor in particular the plurality of pneumatic sensors, preferably all pneumatic sensors of the positioner, are arranged on the surface of the circuit board facing away from the electronics compartment.
  • the circuit board can carry multiple pneumatic sensors.
  • the pneumatic sensor or sensors are preferably electrically connected to the circuit board.
  • at least one pneumatic sensor is or are arranged in one or more of the at least one further receptacle and separately from the circuit board, for example on a separate circuit board, on the support body, the housing, or the like.
  • Preferably several are different Pneumatic sensors are arranged on the same surface of the circuit board facing the transducer compartment. It may be preferred that the at least one pneumatic sensor is arranged in the area of the further feedthrough on the circuit board.
  • different pneumatic sensors can be arranged in the respective area of the several bushings.
  • at least one pneumatic sensor is arranged in the area of the feedthrough for the electro-pneumatic converter.
  • At least one sealing element such as a sealing ring
  • a sealing ring is held on the support body in order to pneumatically and/or the transducer compartment, in particular the receptacle (the transducer receptacle) and/or the at least one further receptacle (the at least one sensor receptacle). to be separated from the electronics compartment in a pressure-tight manner.
  • at least one sealing element preferably a sealing ring
  • at least one sealing element, preferably a sealing ring is arranged between the support body and the housing.
  • each of the chambers can be assigned at least one sealing element in order to pneumatically and/or pressure-tightly separate the respective chamber from one or more others.
  • at least one sealing element can be assigned to each receptacle and/or further receptacle. It may be preferred that at least one sealing element, preferably two sealing elements, in particular one sealing element each at the opposite ends of the sides of the bushing or bushings, are arranged on a support element on each bushing.
  • the housing has a peripheral wall and a base which is at least partially surrounded by the peripheral wall and has a recess corresponding to the circuit board.
  • the circuit board can be inserted at least partially or completely into the recess of the housing.
  • the electronics compartment can be defined in the interior of the housing above the recess and the transducer compartment can be defined below the support body inserted into the recess.
  • the transducer receptacle and/or optionally the sensor receptacle(s) are partially delimited by a respective feedthrough, essentially only the section of the respective receptacle formed by the feedthrough is arranged in the recess.
  • Adjacent to the depression can be one Bulge or multiple bulges can be formed in the housing, wherein a first bulge can be designed to at least partially accommodate the electro-pneumatic converter and wherein further bulges can be designed to at least partially accommodate at least one pneumatic sensor.
  • the support body is shaped to match the interior, in particular the recess.
  • a free space is provided in the area of the recess between the support body and the housing, in particular the peripheral wall and/or another housing wall section. With the help of such a free space, assembly steps, such as casting the support body within the housing, can be simplified.
  • a casting structure By flooding the free space with a casting, a casting structure can also be formed in a simple manner, which encapsulates the support body in the area of the bushings in order to form a boundary area that delimits the receptacles in a pressure-tight manner.
  • a cavity is formed between the support body and the circuit board.
  • the cavity is at least partially, preferably completely delimited on the one hand by the circuit board and on the other hand by the support body.
  • the support body comprises several support sections, such as columns, struts or the like, for placing the circuit board.
  • the at least one cavity is formed between the multiple support sections. If necessary, several cavities can even be formed between the several support sections.
  • the circuit board is at least partially covered by an encapsulation, in particular a potting.
  • the circuit board is covered by the encapsulation at least in the area of the supply electronics.
  • the encapsulation can preferably seal or at least substantially seal the supply electronics from the electronics compartment.
  • the support body is at least partially covered by an encapsulation, in particular a potting.
  • the encapsulation envelops the support body in the area of the feedthrough and/or the further feedthrough or further feedthroughs.
  • a solid wall of sufficient strength to separate the compartments for example when using natural gas in the converter compartment, can be realized.
  • an encapsulation encloses especially in potting, at least partially both the support body and the circuit board.
  • a potting is preferably provided on the circuit board and/or the support body at least in the area of the transducer receptacle and/or the at least one sensor receptacle.
  • the casting preferably completely fills the free space.
  • the casting can at least partially, preferably completely, fill this at least one cavity.
  • the encapsulation in particular the potting, can produce a sealing element. With the help of the encapsulation of the circuit board and/or the support body, a preferably pressure-tight sealing element can be formed for separating the electronics compartment from the converter compartment.
  • a protective layer can be formed for the electronic components arranged on the circuit board, such as supply electronics for the electro-pneumatic converter, and/or control and/or regulation electronics for actuating the electro-pneumatic converter.
  • the encapsulated components are particularly protected against damage, contamination or corrosion caused by pneumatic media. Due to the free spaces between the carrier and/or circuit board on the one hand and the housing on the other hand, the space around the chambers can be encased and the effective sealing can thereby be strengthened.
  • the supply electronics, and possibly the control and/or regulation electronics are arranged on a surface of the circuit board facing the electronics compartment.
  • the supply electronics, and optionally the control and/or regulation electronics are arranged on a first, in particular upper, side opposite the second, in particular lower, side, which includes the surface for the electro-pneumatic converter and/or the at least one pneumatic sensor.
  • the invention also relates to a method for producing a positioner for a pneumatic actuator for actuating an actuating valve, such as a control valve, in a process engineering system.
  • the method according to the invention includes providing a printed circuit board with supply electronics provided thereon, and optionally control and/or regulation electronics provided thereon, and preferably provided thereon or with the Circuit board, for example, detachably connectable electro-pneumatic converter.
  • the printed circuit board provided can be or will be provided with at least one pneumatic sensor.
  • the method according to the invention includes providing a particularly cup-shaped housing with an interior and providing a support body that can be inserted into the housing. The circuit board is then inserted into the interior.
  • the printed circuit board which is preferably inserted into the interior, is attached to the housing by means of the support body.
  • the interior space is divided by the support body into an electronics compartment, which accommodates the supply electronics, and a converter compartment, which accommodates the electro-pneumatic converter.
  • the support body can be used to spatially divide the interior into, on the one hand, the electronics compartment and, on the other hand, the converter compartment. It may be preferred that a pneumatic and/or pressure-tight division of the interior into an electronics compartment and a converter compartment is realized by means of the support body. Only preferably purely electrical and/or preferably purely electronic components, such as control and/or regulation electronics, can be accommodated by the electronics compartment. A pneumatic sensor or several pneumatic sensors can additionally or alternatively be accommodated in the converter compartment.
  • the support body and the interior space defined by the housing in the converter compartment can be used to form several chambers that are spatially separated from one another, for example by partition walls, and in particular in a pneumatically and/or pressure-tight manner. It may be preferred that a receptacle for the electro-pneumatic converter is formed by inserting the support body into the interior. Alternatively or additionally, at least one further receptacle for at least one pneumatic sensor can be formed by inserting the support body into the interior.
  • a transducer chamber can be formed by a support body inserted in the interior of the housing, in which the electro-pneumatic transducer is or can be accommodated, and a sensor chamber, spatially separated from the transducer chamber, in which a pneumatic sensor is or can be accommodated.
  • the support body and/or the housing can be manufactured or equipped with partition walls, for example the housing can be manufactured integrally with partition walls, for example as an injection molded part.
  • the circuit board is attached to the support body and together with the support body inserted into the interior.
  • the printed circuit board can, for example, be attached to the support body with an adhesive, such as glue or a solder, and/or with a connecting means, such as a screw.
  • the support body can serve as an assembly aid for the circuit board.
  • error-free and precise adjustment of a clearly predetermined position of use of the circuit board in the interior of the housing can be implemented in a simple manner.
  • At least one pneumatic sensor in particular coupled to the circuit board, is provided.
  • at least one pneumatic sensor is accommodated in the converter compartment.
  • a pneumatic sensor can be arranged together with the electro-pneumatic transducer in the transducer compartment.
  • at least one pneumatic sensor can be arranged in a respective sensor chamber, which is spatially and, if necessary, pneumatically and/or pressure-tightly separated from the transducer chamber.
  • sensor chambers can also be provided in the transducer compartment, which are spatially separated from one another and, if necessary, pneumatically and/or pressure-tight.
  • At least one sealing element such as a sealing ring
  • the transducer compartment in particular a receptacle for the electro-pneumatic transducer and/or at least one further receptacle for the at least one pneumatic sensor, is pneumatically and/or pressure-tightly separated from the electronics compartment by the at least one sealing element.
  • two or more sealing elements are provided for pneumatic and/or pressure-tight isolation of the at least one sensor receptacle.
  • at least one sealing element preferably a sealing ring, in particular per receptacle, is arranged for a sealing contact with the support body on the one hand and the circuit board on the other.
  • at least one sealing element preferably a sealing ring, in particular per receptacle, for a sealing contact with the support body on the one hand and the housing on the other.
  • the support body can be formed with at least one feedthrough for the electro-pneumatic converter and/or at least one pneumatic sensor and the at least one sealing element can be arranged on this feedthrough.
  • the circuit board and / or the support body is or are, preferably after insertion into the interior, at least partially covered by an encapsulation, in particular a potting.
  • the circuit board and/or the support body is/are positioned in a predetermined operating position in the interior of the housing and held in the operating position during the application of the encapsulation, in particular the production of the potting.
  • the circuit board and/or the support body is first inserted into the interior and then the encapsulation, in particular the potting, is manufactured.
  • the encapsulation in particular the potting, can preferably be applied at least in the area of the supply electronics and, if appropriate, the control and/or regulation electronics.
  • the encapsulation, in particular the potting can optionally be formed from a sealing material to act as a sealing element.
  • the circuit board can be protected from contamination and corrosion by encapsulation.
  • a positioner according to the invention is preferably produced as described above using the manufacturing method according to the invention. It may be preferred that the positioner described above is manufactured according to the manufacturing method according to the invention.
  • Figure i is a cross-sectional view of a first embodiment of a positioner according to the invention.
  • Figure 2 shows a cross-sectional view of a second embodiment of a positioner according to the invention with a potting enveloping the circuit board;
  • Figure 3 shows another cross-sectional view of the positioner according to Figure 2;
  • Figure 4 is a top view of the interior of the positioner according to Figure 2;
  • Figure 5 is a top view of the interior of the positioner according to Figure 4 without the support body and circuit board;
  • Figure 6 is a perspective detailed view of a support plate from a first direction
  • Figure 7 is a perspective detailed view of the support plate according to Figure 6 from a second direction;
  • Figure 8 shows a sectional view through the support plate with the printed circuit board attached to it
  • Figure 9 is a perspective detailed view of the circuit board
  • Figure 10 shows a detailed view of a cover part for covering a ventilation channel from the electronics compartment through the housing of a positioner according to the invention
  • Figure 11 is a sectional view through the cover part with through-holes and the ventilation channel according to Figure 10;
  • Figure 12 is a detailed view of the cover part
  • Figure 13 is a view of the housing of the positioner according to Figure 10 from below;
  • Figure 14 shows a detailed view of an alternative cover part with groove channels
  • Figure 15 is a cross-sectional view of the positioner according to Figure 10.
  • Figure 16 is a schematic representation of a positioner according to the invention.
  • a positioner according to the invention is generally provided with the reference number 1.
  • a first embodiment of a positioner i is shown in Figure i and another embodiment of a positioner 1 with a potting 53 in Figure 2.
  • the positioner 1 shown in Figure 1 comprises, as essential components, an electro-pneumatic converter 3, which can be referred to below as an example of a current-pressure converter, and a circuit board 5, which can be referred to as an example of a circuit board below.
  • the circuit board 5 is essentially flat.
  • the circuit board 5 can have a part-ring or part-circle cross-section.
  • the circuit board 5 is equipped with electrical conductor tracks (not shown in detail) and at least one electronic component, which can also be referred to as an electronic component.
  • Electronic components that implement the supply electronics 50 are arranged on the circuit board 5.
  • Other electronic components include, for example, a plug connector 55 for electrically and/or signal transmission-related connection of the supply electronics 50 circuit board 5, for example to a supply unit, a higher-level control unit or the like, of the positioner 1 (not shown in detail).
  • the electro-pneumatic converter 3 is connected to the circuit board 5.
  • the electro-pneumatic converter 3 can be firmly connected to the circuit board 5, for example by soldering.
  • the electro-pneumatic converter 3 can be equipped with a plug and the circuit board can be equipped with a corresponding socket or plug receptacle 57.
  • the circuit board 5 is also equipped with supply electronics (not shown) for the electro-pneumatic converter 3.
  • the circuit board can be equipped with control and/or regulation electronics, or parts thereof, for actuating the electro-pneumatic converter 3.
  • the circuit board 5 is also equipped with one or more electro-pneumatic components or hybrid components.
  • the positioner 1 includes a housing 11.
  • the housing surrounds an interior 100.
  • the circuit board 5 and the electro-pneumatic converter 3 are arranged within the housing 11.
  • the circuit board 5 is expediently arranged within the housing 11 in such a way that it separates it into, on the one hand, an electronics compartment 110, in which at least one electronic component of the positioner 1 is arranged, and on the other hand a converter compartment 130 in which the electro-pneumatic converter 3 is accommodated.
  • the circuit board 5 is a preferably one-piece flat body with a top 51 and a bottom 52. Starting from the top 51, the electronics compartment 110 expands and starting from the bottom 52, the converter compartment 130.
  • the electronic component is arranged on the top 51.
  • the electro-pneumatic converter 3 is arranged on the underside 52, as shown as an example in FIGS. 7 and 8.
  • Four pneumatic sensors 4 for example, can be arranged on the underside 52 in addition to the electro-pneumatic converter 3 ( Figure 9).
  • the circuit board 5 is in an operational mounting arrangement of the positioner
  • FIG. 1 I housed 100 in its interior.
  • the interior 100 is divided into the electronics compartment 110 and the transducer compartment 130.
  • the circuit board 5 is firmly connected to the housing 11, for example screwed tight.
  • Figure 2 shows the attachment of the circuit board 5 to the housing 11 by means of a fastening screw 109, which holds the circuit board 5 on the bottom 115 of the housing 11 delimiting the interior 100.
  • a fastening screw 109 At the bottom 115 of the housing 10 there is a depression 105 which is complementary to the circuit board 5 and into which the circuit board 5 is inserted.
  • the circuit board 5 can be attached to the housing by means of a support body 6
  • the support body 6 is arranged in the operational assembly state between the circuit board 5 and the bottom 115 of the housing 11.
  • the support body 6 has a support section 60 which is inserted into the recess 105 together with the circuit board 5.
  • a free space 125 is provided between the circuit board 5 and the peripheral wall 120 of the housing 11.
  • a hollow space or cavity 65 is formed in sections between the support body 6 and the circuit board 5.
  • Figure 6 shows an exemplary embodiment of a support body 6 with a substantially annular disk-shaped shape.
  • the support body 6 can be divided into three areas, namely the support section 60, a seat section 62 offset therefrom, and a step 63 connecting the support section 60 with the seat section 62.
  • the circuit board 5 is arranged in the area of the support section 60. If a firm connection of the circuit board 5 to the support body 6 is desired, several fastening means (not shown in detail), such as screws or clips, can be provided.
  • the Fastening means can be designed to bias the circuit board 5 against the support body 6.
  • the support body 6 is penetrated by a passage 61 for the electro-pneumatic converter 3 and further passages 64 for the pneumatic sensors 4 (see FIG. 3).
  • the bushings 61, 64 are formed in the support section 60.
  • the seat section 62 can be formed at least in sections with a shape that complements the interior 100 of the housing 10 in order to determine a clear position of the support plate 6 and the circuit board 5 that may be pre-assembled thereon.
  • the seat section 62 can be equipped with one or more projections 66 and/or recesses that are adapted to the shape of the housing 11.
  • the support plate 6 can have eccentric mounting aids 67 in order, for example, to cooperate with the inside of a peripheral wall 120 and/or other wall sections in the case of a housing 11 of essentially cylindrical shape.
  • Figures 2 and 3 show an embodiment of a positioner 1, in which the circuit board 5 is encapsulated using a potting 53.
  • the potting 53 encloses the majority of the circuit board 5.
  • the top 51 of the circuit board 5 is completely covered by the potting 53 with the exception of the plug connector to 55, whereby the electrical conductor tracks and electronic components arranged on the surface 51 of the circuit board 5 are insulated and protected from corrosive influences are.
  • the potting 53 can be realized, for example, by an air-hardening plastic, for example made of polyurethane. It may be expedient for the circuit board 5 to first be attached to the support body 6 and then inserted together into the interior 100 and then covered with the potting 53.
  • the cavity 65 and the free space 125 can be partially or even completely filled with the potting 53.
  • the potting 53 can realize a positive connection of the circuit board 5 with the housing 11.
  • the potting 53 can form a sealing element which causes or at least contributes to the transducer compartment 130 being separated fluidly, preferably in a pressure-tight manner, from the electronics compartment 110.
  • At least one sealing element can be provided for pneumatic and/or pressure-tight separation of the electronics compartment 110 from the transducer compartment 130.
  • the at least one sealing element is expediently placed between the circuit board 5 and the housing 11 arranged. Sealing elements can be implemented, for example, by sealing rings.
  • Figure 6 shows the top 71 of a support body 6, where a sealing ring 152 is inserted into a receptacle surrounding the bushing 61.
  • the other bushings 64 are also equipped with a respective sealing ring 142 on the top 71 of the support body 6.
  • the support body 6 is in contact with the underside 52 of the circuit board 5 in the operational installed state, for example according to Figures 2 and 3.
  • the sealing rings 152, 142 seal between the support body 6 and the circuit board 5 away.
  • Figure 7 shows the underside 72 of the support body 6, which in the operational installed state is in contact with the bottom 115 of the housing 11 in the area of the bushings 61, 64.
  • the electro-pneumatic converter 3 covers the converter feedthrough for contacting the circuit board 5.
  • a sealing ring 132 is inserted around the electro-pneumatic converter and the feedthrough 61 occupied by it in a sealing receptacle which is adapted to the shape of the electro-pneumatic converter 3.
  • Circular sealing rings 162 are arranged in corresponding receptacles on the further bushings 64. In the operational installed state, the sealing rings 132, 162 seal between the support body 6 and the housing 11.
  • the cross-sectional view according to Figure 2 extends through the electro-pneumatic converter 3 and the portion of the converter compartment 130, which forms a receptacle 131 for the electro-pneumatic converter 3, which can be referred to as a transducer receptacle 131.
  • the cross-sectional view according to Figure 3 extends through a pneumatic sensor 4 in the partial area of the converter compartment 130, which forms a further receptacle 41 for this pneumatic sensor 4, which can also be referred to as a sensor receptacle 141.
  • a pneumatic sensor 4 is arranged in the converter receptacle 131 (see FIG. 9).
  • the transducer receptacle 131 shown in Figure 2 forms a chamber that is pneumatically and/or pressure-tightly separated from the electronics compartment 110.
  • the receptacle 131 is partially delimited by a housing area 104 on the bottom 115 of the housing 11. Compared to the housing 11, the receptacle 131 is through the circuit board 5 limited. Between the circuit board 5 and the housing 11, the feedthrough 61 through the support body 6 delimits the transducer receptacle 131.
  • the potting 53 and the sealing elements for example in the form of sealing rings 132, 162 (see Figs. 6, 7), ensure reliable fluidic insulation of the Transducer receptacle 131 in the transducer compartment 130 relative to the electronics compartment 110 as well as other receptacles 141 in the transducer compartment 130.
  • the sensor receptacle 141 shown in Figure 3 also forms a chamber that is pneumatically and/or pressure-tightly separated from the electronics compartment 110.
  • the sensor receptacle 141 is partially delimited by another housing area 106 on the bottom 115 of the housing 11.
  • the sensor receptacle 141 is also delimited relative to the housing 11 by the circuit board 5, and between the circuit board 5 and the housing 11 by the further passage 64 of the support body 6 .
  • the sealing rings 142, 152 (see Figs. 6, 7) on the further bushing 64 ensure, if necessary together with the casting 53, fluidic isolation of the sensor receptacles 141 in the transducer compartment 130 from the electronics compartment 110 and expediently from others (not specified). shown) recordings in the transducer compartment 130.
  • a pneumatic line 174 extends away from the sensor receptacle 141 to a pneumatic compartment 170 described below.
  • the pneumatic line 147 is partially covered over the entire surface with a sintered filter 148 as an ignition breakdown barrier.
  • sub-areas of the positioner are preferably for mutual pressure differences between the sub-areas of at least 50 mbar, in particular at least 100 bar, preferably at least 1 bar, particularly preferably at least 1 bar, and/or not more than 10 bar, in particular not more than 5 bar, preferably not more than 2.5 bar, designed and set up to be pressure-tight.
  • Two pneumatic lines namely a ventilation line 173 and an exhaust air duct 139, extend from the converter receptacle 131 to the pneumatic compartment 170, as shown in Figure 5.
  • the ventilation line 173 or the supply air duct is included designed and set up to fluidly connect the converter chamber 131 and the electro-pneumatic converter 3 arranged therein to a pneumatic source (not shown in detail).
  • the pneumatic lines 139, 173, 174 can extend, for example essentially parallel, from the converter compartment 130 in the interior 100 of the housing 11 through its housing wall to the pneumatic compartment 170.
  • the positioner 1 with pneumatic module 170 and pneumatic components 7 accommodated therein is shown schematically in Figure 16.
  • the pneumatic compartment 170 can be formed by a side space of the housing 11.
  • a pneumatic interface 171 is provided in the pneumatic compartment 170, where pneumatic components 7 or a pneumatic module comprising several pneumatic components 7 can be attached (not shown in detail).
  • the pneumatic interface 171 can, for example, be arranged on a housing section 107 of the wall section between the converter compartment 130 and the pneumatic compartment 170.
  • the side space and the pneumatic module (not shown) can, for example, be coordinated with one another in such a way that the pneumatic module realizes a shape-complementary insert for preferably completely covering the side space.
  • the pneumatic module can be implemented, for example, as a unitary block, within which pneumatic channels and several pneumatic components 7, for example pneumatic amplifiers, such as a preamplifier 175 and main amplifier 176, flow limiters and / or pressure reducers 172 are integrated.
  • the exhaust duct 139 can drain a used pneumatic medium into the pneumatic compartment 170, which is connected to the environment or a manifold for the isolated discharge of used pneumatic medium or exhaust gas from the positioner 1, so that the electronic components in the electronic compartment 110 do not come into contact with the pneumatic medium.
  • the pneumatic sensors 4 can be connected to different measuring points with respect to the different pneumatic components 7 by means of pneumatic lines 174.
  • the electronics compartment 110 can expediently be insulated by sealing the interior 100 of the housing 11 in an airtight manner with a lid.
  • Vent line 119 penetrate an outer wall 117 of the housing 11.
  • the ventilation line 119 can either be closed by means of a cover part 180, 181 or designed to be open to the environment.
  • the exemplary positioner 1 shown in Figure 16 has a housing 11, which is equipped with a flameproof "Ex d" cable bushing 210, through which the supply electronics 50 and other electronic components arranged in the electronics compartment 110 can be supplied and, if necessary, controlled.
  • a Zener barrier 250 or similar can also be provided.
  • a connection circuit board 220 can be arranged beyond the cable bushing 210, preferably in a pressure-tight connection space 200.
  • the connecting circuit board 220 can be connected to external components, for example other components of a process engineering system, through at least one (here: three) flameproof “Ex d” cable bushings 230.
  • Figure 16 also shows a common vent 179 for exhaust air and for removing pneumatic medium from the pneumatic compartment 170. For critical pneumatic media such as methane, the common vent can be connected to a manifold (not shown).
  • Figures 10-12 and 15 show a first variant of the cover part 180, which is penetrated by four through openings 182.
  • Figures 13 and 14 show another variant of the cover part 181 with a groove channel 183.
  • the cover part 180, 181 can be equipped as an asymmetrical plate with one or more (here: four) mounting holes 185.
  • this can be designed on its outer wall 117 with a projection 108 for determining a mounting position for the cover part 180, 181, this projection 108 being complementary in shape to the uniform mounting holes 185.
  • the other mounting holes 185 can each be equipped with a screw 102 for fastening the cover part 180, 181.
  • an ignition breakdown barrier 118 can cover the entire surface of the ventilation line 119.
  • the mouth 111 of the ventilation line 119 is arranged on the outside of the outer wall 117 and can be covered with the cover part 180/181.
  • the cover part 180, 181 can be placed in a first, open position in front of the mouth 111, in which the ventilation line 119 fluidly communicates with the through openings 182 or the groove channel 183, so that the electronics compartment 110 is connected to the environment.
  • a membrane 187 can be arranged between the mouth 111 and the cover part 180/181.
  • the membrane 187 is only effective in the open position of the cover part or plate 180/181.
  • the membrane 187 acts as a pressure compensation element. Embodiments with a pressure compensation element designed differently than a membrane are also conceivable.
  • the cover part 180/181, as shown in Figure 11, can be placed in front of the mouth 111 such that a section of the cover part 180/181, which is free of through openings, groove channels and the like, covers the ventilation channel 119.
  • a sealing element 186 surrounding the mouth 111 in a ring shape is arranged between the cover part 180/181 and the outer wall 117.
  • the membrane 187 can be realized in one piece with the sealing element 186 as a pressure compensation element with a glued-on O-ring (as a standard part).
  • the ventilation line 119 is closed using the sealing ring 186.
  • the membrane 187 or a pressure compensation element is omitted or is not installed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

L'invention se rapporte à un dispositif de commande de position (1) pour un actionneur pneumatique destiné à actionner un raccord de commande, tel qu'une soupape de commande, d'une installation de traitement, ledit dispositif de commande de position comprenant : un convertisseur électropneumatique (3), tel qu'un convertisseur I/P ; une carte de circuit imprimé (5) qui comprend une électronique d'alimentation (50) destinée à actionner le convertisseur électropneumatique (3) ; et un logement (11) qui entoure un intérieur (100). Selon l'invention, un corps de support (6) est fourni, qui est inséré dans l'espace intérieur (100) et auquel la carte de circuit imprimé (5) est fixée, le logement (11) et le corps de support (6) étant conçus pour s'adapter l'un à l'autre afin de diviser l'intérieur (100), en particulier de façon pneumatique, en un compartiment électronique (110) destiné à recevoir au moins un composant électrique et/ou électronique, en particulier l'électronique d'alimentation (50), et un compartiment de convertisseur (130) destiné à recevoir le convertisseur électropneumatique (3).
PCT/EP2023/074156 2022-09-06 2023-09-04 Dispositif de commande de position et procédé de fabrication d'un dispositif de commande de position WO2024052272A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022122565.8A DE102022122565A1 (de) 2022-09-06 2022-09-06 Stellungsregler und Verfahren zum Herstellen eines Stellungsreglers
DE102022122565.8 2022-09-06

Publications (1)

Publication Number Publication Date
WO2024052272A1 true WO2024052272A1 (fr) 2024-03-14

Family

ID=87930092

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2023/074156 WO2024052272A1 (fr) 2022-09-06 2023-09-04 Dispositif de commande de position et procédé de fabrication d'un dispositif de commande de position

Country Status (2)

Country Link
DE (1) DE102022122565A1 (fr)
WO (1) WO2024052272A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587170A2 (fr) * 1992-09-09 1994-03-16 Fisher Controls International, Inc. Convertisseur électropneumatique
US20090178713A1 (en) * 2008-01-14 2009-07-16 Flavio Tondolo High Flow Capacity Positioner
EP2751432A1 (fr) * 2011-09-01 2014-07-09 Fisher Controls International Llc Dispositif de commande pneumatique sans fil
US9506482B2 (en) * 2012-10-31 2016-11-29 Samson Aktiengesellschaft Electropneumatic control device and electropneumatic subassembly
DE102020122321A1 (de) * 2020-08-26 2022-03-03 Samson Aktiengesellschaft Feldgerät

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0587170A2 (fr) * 1992-09-09 1994-03-16 Fisher Controls International, Inc. Convertisseur électropneumatique
US20090178713A1 (en) * 2008-01-14 2009-07-16 Flavio Tondolo High Flow Capacity Positioner
EP2751432A1 (fr) * 2011-09-01 2014-07-09 Fisher Controls International Llc Dispositif de commande pneumatique sans fil
US9506482B2 (en) * 2012-10-31 2016-11-29 Samson Aktiengesellschaft Electropneumatic control device and electropneumatic subassembly
DE102020122321A1 (de) * 2020-08-26 2022-03-03 Samson Aktiengesellschaft Feldgerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
FAIRCHILD PRODUCTS: "Model TXI7850 Moisture Resistant Electro-Pneumatic Transducer", 26 August 2014 (2014-08-26), XP093100802, Retrieved from the Internet <URL:https://www.fairchildproducts.com/storage/products/702f5d29-aaa2-4128-983e-4761a4f8b374/file_1/fa9893e3-d070-4613-b4e8-4ce88fc7e886.pdf> [retrieved on 20231113] *

Also Published As

Publication number Publication date
DE102022122565A1 (de) 2024-03-07

Similar Documents

Publication Publication Date Title
DE69616314T2 (de) Druckdichte gehäuseanordnung
EP0705183B1 (fr) Appareil de commande auxiliaire
EP0555434B1 (fr) Appareil electrique, en particulier appareil de commutation et de commande pour vehicules a moteur
DE69322716T2 (de) Elektropneumatischer Signalumformer
EP2687823B2 (fr) Dispositif destiné à l&#39;enregistrement et au traitement de valeurs de mesure de capteur et/ou à la commande d&#39;actionneurs
DE19936300A1 (de) Druckerkennungsvorrichtung, Verbindungsteil hierfür, sowie Verfahren zur Herstellung eines elektrischen Bauteileverbinders
WO1989010286A1 (fr) Dispositif electrohydraulique de regulation de pression
DE10107239A1 (de) Steuereinrichtung für Druckmittel
CH666522A5 (de) Anschlussblock fuer die verbindung von pneumatischen bauelementen.
EP3050745A1 (fr) Dispositif de mesure et de commande pneumatique et systeme de siege confortable
WO2019020529A1 (fr) Ensemble de capteurs de pression, dispositif de mesure et procédé de fabrication de ceux-ci
DE102005062602A1 (de) Steuergerätemodul, insbesondere in oder für ein Kraftfahrzeug
EP0606048A1 (fr) Distributeur fluidique
DE10040559C2 (de) Ventilblock und Ventilblocksatz zum Herstellen solch eines Ventilblocks
EP0293646B1 (fr) Sous-groupe constitué de plusieurs soupapes à voies multiples opérables indépendamment
WO2024052272A1 (fr) Dispositif de commande de position et procédé de fabrication d&#39;un dispositif de commande de position
EP1216904B1 (fr) Dispositif connecteur et solénoide
WO2024052287A1 (fr) Dispositif de commande de position
WO2023174725A1 (fr) Système de module de soupape
DE3408135C2 (de) Kupplungseinrichtung zum druckdichten Befestigen einer Druckmittelleitung an einem Druckmittelanschluß
DE10349706B4 (de) Pneumatische Ventilanordnung mit einem Kanaltrennelement
EP1339583B1 (fr) Systeme de capteur pour un servofrein a depression
WO2019020410A1 (fr) Système de détection de pression, moyen de mesure et procédé de fabrication dudit système de détection de pression
DE202008007375U1 (de) Druckausgleichszylinder und -verschraubung mit Topfmembrane
DE102016124026A1 (de) Drucksensor zur Ermittlung eines Differenzdruckes

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23764923

Country of ref document: EP

Kind code of ref document: A1